package com.springboot.test01;

import org.springframework.boot.CommandLineRunner;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.Arrays;

@RestController
public class Controller {

    @RequestMapping("/")
    public String hello(){
        return "hello,springboot!";
    }

    @Bean
    public CommandLineRunner commandLineRunner(ApplicationContext ctx){
        return args -> {
            System.out.println("由Spring Boot注册的所有Bean：");
            String[] beanNames=ctx.getBeanDefinitionNames();
            Arrays.sort(beanNames);
            for(String beanName:beanNames){
                System.out.println(beanName);
            }
        };
    }
}
